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1. Oil or kerosene burned in lamps to provide light and heat.
2. Kerosene that has been refined in order to limit the amount of pollutants it expels when burned.
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|Noun||1.||lamp oil - a flammable hydrocarbon oil used as fuel in lamps and heaters|
fuel - a substance that can be consumed to produce energy; "more fuel is needed during the winter months"; "they developed alternative fuels for aircraft"
hydrocarbon - an organic compound containing only carbon and hydrogen